- a very small particle
- Anat. a protoplasmic particle or cell with a special function; esp., any of the erythrocytes (red corpuscles) or leukocytes (white corpuscles) that float in the blood, lymph, etc. of vertebrates
Origin of corpuscleClassical Latin corpusculum, diminutive of corpus: see corpus
- a. An unattached body cell, such as a blood or lymph cell.b. A rounded globular mass of cells, such as the pressure receptor on certain nerve endings.
- A discrete particle, such as a photon or an electron.
- A minute globular particle.
Origin of corpuscleLatin corpusculum diminutive of corpus body ; see kwrep- in Indo-European roots.